Surfer - I think you need a formalized agreement of some sort. The risks you mention are very real and the future appears to be quite uncertain.
A big dose of reality might do her good too especially if your first offer just covers the minimum and has a sunset clause.
It doesn't have to be a full-blown S agreement - perhaps your L can offer some advice.
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells